Module: Appsignal::UpdateActiveSupport

Defined in:
lib/appsignal/update_active_support.rb

Class Method Summary collapse

Class Method Details

.run ⇒ Object 



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# File 'lib/appsignal/update_active_support.rb', line 3

def self.run
  # Get the old subscribers if present
  old_notifier = ActiveSupport::Notifications.notifier
  subscribers  = old_notifier.instance_variable_get('@subscribers') || []

  # Require the newer notifications
  require 'vendor/active_support/notifications'

  # Re-subscribe the old subscribers
  subscribers.each do |sub|
    pattern  = sub.instance_variable_get('@pattern')
    delegate = sub.instance_variable_get('@delegate')
    next unless pattern && delegate
    ActiveSupport::Notifications.subscribe(pattern, delegate)
  end
end